Numerators of continued fraction convergents to sqrt(422).

Terms

a(0) =20a(1) =21a(2) =41a(3) =226a(4) =493a(5) =719a(6) =2650a(7) =53719a(8) =163807a(9) =217526a(10) =598859a(11) =3211821a(12) =3810680a(13) =7022501a(14) =284710720a(15) =291733221a(16) =576443941a(17) =3173952926a(18) =6924349793a(19) =10098302719a(20) =37219257950a(21) =754483461719